I think I'm kinda sorry for real Haley ( ̄へ ̄)
He had started working at very young age and his relatives only saw him as a source of money so he never had anybody who gave him any kind of affection. Although his relatives were only after his money and he knew it, he continued to give them money. I think it would be very lonely life for anybody. Besides, he had fragile soul so it was not suprising he used drugs and had an awful personality. He could have better life if he had lived in different circumstances.
If I didn't see this page, I would cry so hard ╥﹏╥
https://www.mangago.zone/read-manga/innocent_bird/tr/16419/page/162/
I don't why but I expected a plot twist ┑( ̄Д  ̄)┍ maybe ML could be a kind of ghost and MC had been learned his death after their first time or all of them could be just a dream and MC realised his feelings after waking up so he decided finding ML to get some answers about past and their feelings. I think that editor hadn't done their job efficiently(〜 ̄△ ̄)〜